<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<form id="upload" action="/multitestUpLoad" method="post" enctype="multipart/form-data">

    文件1：<input name="filename" type="file"/><br/>
    文件2：<input name="filename"  type="file"/><br/>
    文件3：<input name="filename"  type="file"/><br/>
    <input type="submit" value="多文件提交"/>
</form>
</body>
</html>